Home / 6,645,331.20-9,967,996.80-5,582,449.20

Finding the Fourth Proportional to 6,645,331.20, 9,967,996.80 and 5,582,449.20

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Solution

The fourth proportional to 6,645,331.20, 9,967,996.80 and 5,582,449.20 is: 8,373,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,331.20 : 9,967,996.80 = 5,582,449.20 : x
  2. Step 2: Convert to fraction form
    6,645,331.20/9,967,996.80 = 5,582,449.20/x
  3. Step 3: Cross multiply
    6,645,331.20x = 9,967,996.80 × 5,582,449.20
  4. Step 4: Simplify right side
    6,645,331.20x = 55,645,835,761,762.56
  5. Step 5: Solve for x
    x = 55,645,835,761,762.56/6,645,331.20
  6. Step 6: Final answer
    x = 8,373,673.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.